diff options
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-asm.h | 128 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-bootinfo.h | 262 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-bootmem.h | 288 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-l2c.h | 325 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-packet.h | 61 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-spinlock.h | 232 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-sysinfo.h | 152 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx.h | 505 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon-feature.h | 119 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon-model.h | 321 |
10 files changed, 2393 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-asm.h b/arch/mips/include/asm/octeon/cvmx-asm.h new file mode 100644 index 00000000000..b21d3fc1ef9 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-asm.h @@ -0,0 +1,128 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +/* + * + * This is file defines ASM primitives for the executive. + */ +#ifndef __CVMX_ASM_H__ +#define __CVMX_ASM_H__ + +#include "octeon-model.h" + +/* other useful stuff */ +#define CVMX_SYNC asm volatile ("sync" : : : "memory") +/* String version of SYNCW macro for using in inline asm constructs */ +#define CVMX_SYNCW_STR "syncw\nsyncw\n" +#ifdef __OCTEON__ + +/* Deprecated, will be removed in future release */ +#define CVMX_SYNCIO asm volatile ("nop") + +#define CVMX_SYNCIOBDMA asm volatile ("synciobdma" : : : "memory") + +/* Deprecated, will be removed in future release */ +#define CVMX_SYNCIOALL asm volatile ("nop") + +/* + * We actually use two syncw instructions in a row when we need a write + * memory barrier. This is because the CN3XXX series of Octeons have + * errata Core-401. This can cause a single syncw to not enforce + * ordering under very rare conditions. Even if it is rare, better safe + * than sorry. + */ +#define CVMX_SYNCW asm volatile ("syncw\n\tsyncw" : : : "memory") + +/* + * Define new sync instructions to be normal SYNC instructions for + * operating systems that use threads. + */ +#define CVMX_SYNCWS CVMX_SYNCW +#define CVMX_SYNCS CVMX_SYNC +#define CVMX_SYNCWS_STR CVMX_SYNCW_STR +#else +/* + * Not using a Cavium compiler, always use the slower sync so the + * assembler stays happy. + */ +/* Deprecated, will be removed in future release */ +#define CVMX_SYNCIO asm volatile ("nop") + +#define CVMX_SYNCIOBDMA asm volatile ("sync" : : : "memory") + +/* Deprecated, will be removed in future release */ +#define CVMX_SYNCIOALL asm volatile ("nop") + +#define CVMX_SYNCW asm volatile ("sync" : : : "memory") +#define CVMX_SYNCWS CVMX_SYNCW +#define CVMX_SYNCS CVMX_SYNC +#define CVMX_SYNCWS_STR CVMX_SYNCW_STR +#endif + +/* + * CVMX_PREPARE_FOR_STORE makes each byte of the block unpredictable + * (actually old value or zero) until that byte is stored to (by this or + * another processor. Note that the value of each byte is not only + * unpredictable, but may also change again - up until the point when one + * of the cores stores to the byte. + */ +#define CVMX_PREPARE_FOR_STORE(address, offset) \ + asm volatile ("pref 30, " CVMX_TMP_STR(offset) "(%[rbase])" : : \ + [rbase] "d" (address)) +/* + * This is a command headed to the L2 controller to tell it to clear + * its dirty bit for a block. Basically, SW is telling HW that the + * current version of the block will not be used. + */ +#define CVMX_DONT_WRITE_BACK(address, offset) \ + asm volatile ("pref 29, " CVMX_TMP_STR(offset) "(%[rbase])" : : \ + [rbase] "d" (address)) + +/* flush stores, invalidate entire icache */ +#define CVMX_ICACHE_INVALIDATE \ + { CVMX_SYNC; asm volatile ("synci 0($0)" : : ); } + +/* flush stores, invalidate entire icache */ +#define CVMX_ICACHE_INVALIDATE2 \ + { CVMX_SYNC; asm volatile ("cache 0, 0($0)" : : ); } + +/* complete prefetches, invalidate entire dcache */ +#define CVMX_DCACHE_INVALIDATE \ + { CVMX_SYNC; asm volatile ("cache 9, 0($0)" : : ); } + + +#define CVMX_POP(result, input) \ + asm ("pop %[rd],%[rs]" : [rd] "=d" (result) : [rs] "d" (input)) +#define CVMX_DPOP(result, input) \ + asm ("dpop %[rd],%[rs]" : [rd] "=d" (result) : [rs] "d" (input)) + +/* some new cop0-like stuff */ +#define CVMX_RDHWR(result, regstr) \ + asm volatile ("rdhwr %[rt],$" CVMX_TMP_STR(regstr) : [rt] "=d" (result)) +#define CVMX_RDHWRNV(result, regstr) \ + asm ("rdhwr %[rt],$" CVMX_TMP_STR(regstr) : [rt] "=d" (result)) +#endif /* __CVMX_ASM_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h new file mode 100644 index 00000000000..692989acd8a --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h @@ -0,0 +1,262 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +/* + * Header file containing the ABI with the bootloader. + */ + +#ifndef __CVMX_BOOTINFO_H__ +#define __CVMX_BOOTINFO_H__ + +/* + * Current major and minor versions of the CVMX bootinfo block that is + * passed from the bootloader to the application. This is versioned + * so that applications can properly handle multiple bootloader + * versions. + */ +#define CVMX_BOOTINFO_MAJ_VER 1 +#define CVMX_BOOTINFO_MIN_VER 2 + +#if (CVMX_BOOTINFO_MAJ_VER == 1) +#define CVMX_BOOTINFO_OCTEON_SERIAL_LEN 20 +/* + * This structure is populated by the bootloader. For binary + * compatibility the only changes that should be made are + * adding members to the end of the structure, and the minor + * version should be incremented at that time. + * If an incompatible change is made, the major version + * must be incremented, and the minor version should be reset + * to 0. + */ +struct cvmx_bootinfo { + uint32_t major_version; + uint32_t minor_version; + + uint64_t stack_top; + uint64_t heap_base; + uint64_t heap_end; + uint64_t desc_vaddr; + + uint32_t exception_base_addr; + uint32_t stack_size; + uint32_t flags; + uint32_t core_mask; + /* DRAM size in megabytes */ + uint32_t dram_size; + /* physical address of free memory descriptor block*/ + uint32_t phy_mem_desc_addr; + /* used to pass flags from app to debugger */ + uint32_t debugger_flags_base_addr; + + /* CPU clock speed, in hz */ + uint32_t eclock_hz; + + /* DRAM clock speed, in hz */ + uint32_t dclock_hz; + + uint32_t reserved0; + uint16_t board_type; + uint8_t board_rev_major; + uint8_t board_rev_minor; + uint16_t reserved1; + uint8_t reserved2; + uint8_t reserved3; + char board_serial_number[CVMX_BOOTINFO_OCTEON_SERIAL_LEN]; + uint8_t mac_addr_base[6]; + uint8_t mac_addr_count; +#if (CVMX_BOOTINFO_MIN_VER >= 1) + /* + * Several boards support compact flash on the Octeon boot + * bus. The CF memory spaces may be mapped to different + * addresses on different boards. These are the physical + * addresses, so care must be taken to use the correct + * XKPHYS/KSEG0 addressing depending on the application's + * ABI. These values will be 0 if CF is not present. + */ + uint64_t compact_flash_common_base_addr; + uint64_t compact_flash_attribute_base_addr; + /* + * Base address of the LED display (as on EBT3000 board) + * This will be 0 if LED display not present. + */ + uint64_t led_display_base_addr; +#endif +#if (CVMX_BOOTINFO_MIN_VER >= 2) + /* DFA reference clock in hz (if applicable)*/ + uint32_t dfa_ref_clock_hz; + + /* + * flags indicating various configuration options. These + * flags supercede the 'flags' variable and should be used + * instead if available. + */ + uint32_t config_flags; +#endif + +}; + +#define CVMX_BOOTINFO_CFG_FLAG_PCI_HOST (1ull << 0) +#define CVMX_BOOTINFO_CFG_FLAG_PCI_TARGET (1ull << 1) +#define CVMX_BOOTINFO_CFG_FLAG_DEBUG (1ull << 2) +#define CVMX_BOOTINFO_CFG_FLAG_NO_MAGIC (1ull << 3) +/* This flag is set if the TLB mappings are not contained in the + * 0x10000000 - 0x20000000 boot bus region. */ +#define CVMX_BOOTINFO_CFG_FLAG_OVERSIZE_TLB_MAPPING (1ull << 4) +#define CVMX_BOOTINFO_CFG_FLAG_BREAK (1ull << 5) + +#endif /* (CVMX_BOOTINFO_MAJ_VER == 1) */ + +/* Type defines for board and chip types */ +enum cvmx_board_types_enum { + CVMX_BOARD_TYPE_NULL = 0, + CVMX_BOARD_TYPE_SIM = 1, + CVMX_BOARD_TYPE_EBT3000 = 2, + CVMX_BOARD_TYPE_KODAMA = 3, + CVMX_BOARD_TYPE_NIAGARA = 4, + CVMX_BOARD_TYPE_NAC38 = 5, /* formerly NAO38 */ + CVMX_BOARD_TYPE_THUNDER = 6, + CVMX_BOARD_TYPE_TRANTOR = 7, + CVMX_BOARD_TYPE_EBH3000 = 8, + CVMX_BOARD_TYPE_EBH3100 = 9, + CVMX_BOARD_TYPE_HIKARI = 10, + CVMX_BOARD_TYPE_CN3010_EVB_HS5 = 11, + CVMX_BOARD_TYPE_CN3005_EVB_HS5 = 12, + CVMX_BOARD_TYPE_KBP = 13, + /* Deprecated, CVMX_BOARD_TYPE_CN3010_EVB_HS5 supports the CN3020 */ + CVMX_BOARD_TYPE_CN3020_EVB_HS5 = 14, + CVMX_BOARD_TYPE_EBT5800 = 15, + CVMX_BOARD_TYPE_NICPRO2 = 16, + CVMX_BOARD_TYPE_EBH5600 = 17, + CVMX_BOARD_TYPE_EBH5601 = 18, + CVMX_BOARD_TYPE_EBH5200 = 19, + CVMX_BOARD_TYPE_BBGW_REF = 20, + CVMX_BOARD_TYPE_NIC_XLE_4G = 21, + CVMX_BOARD_TYPE_EBT5600 = 22, + CVMX_BOARD_TYPE_EBH5201 = 23, + CVMX_BOARD_TYPE_MAX, + + /* + * The range from CVMX_BOARD_TYPE_MAX to + * CVMX_BOARD_TYPE_CUST_DEFINED_MIN is reserved for future + * SDK use. + */ + + /* + * Set aside a range for customer boards. These numbers are managed + * by Cavium. + */ + CVMX_BOARD_TYPE_CUST_DEFINED_MIN = 10000, + CVMX_BOARD_TYPE_CUST_WSX16 = 10001, + CVMX_BOARD_TYPE_CUST_NS0216 = 10002, + CVMX_BOARD_TYPE_CUST_NB5 = 10003, + CVMX_BOARD_TYPE_CUST_WMR500 = 10004, + CVMX_BOARD_TYPE_CUST_DEFINED_MAX = 20000, + + /* + * Set aside a range for customer private use. The SDK won't + * use any numbers in this range. + */ + CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001, + CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000, + + /* The remaining range is reserved for future use. */ +}; + +enum cvmx_chip_types_enum { + CVMX_CHIP_TYPE_NULL = 0, + CVMX_CHIP_SIM_TYPE_DEPRECATED = 1, + CVMX_CHIP_TYPE_OCTEON_SAMPLE = 2, + CVMX_CHIP_TYPE_MAX, +}; + +/* Compatability alias for NAC38 name change, planned to be removed + * from SDK 1.7 */ +#define CVMX_BOARD_TYPE_NAO38 CVMX_BOARD_TYPE_NAC38 + +/* Functions to return string based on type */ +#define ENUM_BRD_TYPE_CASE(x) \ + case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ +static inline const char *cvmx_board_type_to_string(enum + cvmx_board_types_enum type) +{ + switch (type) { + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT3000) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KODAMA) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIAGARA) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NAC38) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_THUNDER) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_TRANTOR) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3000) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3100) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_HIKARI) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3010_EVB_HS5) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3005_EVB_HS5) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KBP) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3020_EVB_HS5) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5800) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NICPRO2) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5600) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5601) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5200) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_BBGW_REF) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC_XLE_4G) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5600) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5201) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_MAX) + + /* Customer boards listed here */ + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MIN) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WSX16) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NS0216) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NB5) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WMR500) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MAX) + + /* Customer private range */ + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN) + ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX) + } + return "Unsupported Board"; +} + +#define ENUM_CHIP_TYPE_CASE(x) \ + case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ +static inline const char *cvmx_chip_type_to_string(enum + cvmx_chip_types_enum type) +{ + switch (type) { + ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL) + ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED) + ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE) + ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX) + } + return "Unsupported Chip"; +} + +#endif /* __CVMX_BOOTINFO_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-bootmem.h b/arch/mips/include/asm/octeon/cvmx-bootmem.h new file mode 100644 index 00000000000..1cbe4b55889 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-bootmem.h @@ -0,0 +1,288 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +/* + * Simple allocate only memory allocator. Used to allocate memory at + * application start time. + */ + +#ifndef __CVMX_BOOTMEM_H__ +#define __CVMX_BOOTMEM_H__ +/* Must be multiple of 8, changing breaks ABI */ +#define CVMX_BOOTMEM_NAME_LEN 128 + +/* Can change without breaking ABI */ +#define CVMX_BOOTMEM_NUM_NAMED_BLOCKS 64 + +/* minimum alignment of bootmem alloced blocks */ +#define CVMX_BOOTMEM_ALIGNMENT_SIZE (16ull) + +/* Flags for cvmx_bootmem_phy_mem* functions */ +/* Allocate from end of block instead of beginning */ +#define CVMX_BOOTMEM_FLAG_END_ALLOC (1 << 0) + +/* Don't do any locking. */ +#define CVMX_BOOTMEM_FLAG_NO_LOCKING (1 << 1) + +/* First bytes of each free physical block of memory contain this structure, + * which is used to maintain the free memory list. Since the bootloader is + * only 32 bits, there is a union providing 64 and 32 bit versions. The + * application init code converts addresses to 64 bit addresses before the + * application starts. + */ +struct cvmx_bootmem_block_header { + /* + * Note: these are referenced from assembly routines in the + * bootloader, so this structure should not be changed + * without changing those routines as well. + */ + uint64_t next_block_addr; + uint64_t size; + +}; + +/* + * Structure for named memory blocks. Number of descriptors available + * can be changed without affecting compatiblity, but name length + * changes require a bump in the bootmem descriptor version Note: This + * structure must be naturally 64 bit aligned, as a single memory + * image will be used by both 32 and 64 bit programs. + */ +struct cvmx_bootmem_named_block_desc { + /* Base address of named block */ + uint64_t base_addr; + /* + * Size actually allocated for named block (may differ from + * requested). + */ + uint64_t size; + /* name of named block */ + char name[CVMX_BOOTMEM_NAME_LEN]; +}; + +/* Current descriptor versions */ +/* CVMX bootmem descriptor major version */ +#define CVMX_BOOTMEM_DESC_MAJ_VER 3 + +/* CVMX bootmem descriptor minor version */ +#define CVMX_BOOTMEM_DESC_MIN_VER 0 + +/* First three members of cvmx_bootmem_desc_t are left in original + * positions for backwards compatibility. + */ +struct cvmx_bootmem_desc { + /* spinlock to control access to list */ + uint32_t lock; + /* flags for indicating various conditions */ + uint32_t flags; + uint64_t head_addr; + + /* Incremented when incompatible changes made */ + uint32_t major_version; + + /* + * Incremented changed when compatible changes made, reset to + * zero when major incremented. + */ + uint32_t minor_version; + + uint64_t app_data_addr; + uint64_t app_data_size; + + /* number of elements in named blocks array */ + uint32_t named_block_num_blocks; + + /* length of name array in bootmem blocks */ + uint32_t named_block_name_len; + /* address of named memory block descriptors */ + uint64_t named_block_array_addr; + +}; + +/** + * Initialize the boot alloc memory structures. This is + * normally called inside of cvmx_user_app_init() + * + * @mem_desc_ptr: Address of the free memory list + */ +extern int cvmx_bootmem_init(void *mem_desc_ptr); + +/** + * Allocate a block of memory from the free list that was passed + * to the application by the bootloader. + * This is an allocate-only algorithm, so freeing memory is not possible. + * + * @size: Size in bytes of block to allocate + * @alignment: Alignment required - must be power of 2 + * + * Returns pointer to block of memory, NULL on error + */ +extern void *cvmx_bootmem_alloc(uint64_t size, uint64_t alignment); + +/** + * Allocate a block of memory from the free list that was + * passed to the application by the bootloader at a specific + * address. This is an allocate-only algorithm, so + * freeing memory is not possible. Allocation will fail if + * memory cannot be allocated at the specified address. + * + * @size: Size in bytes of block to allocate + * @address: Physical address to allocate memory at. If this memory is not + * available, the allocation fails. + * @alignment: Alignment required - must be power of 2 + * Returns pointer to block of memory, NULL on error + */ +extern void *cvmx_bootmem_alloc_address(uint64_t size, uint64_t address, + uint64_t alignment); + +/** + * Allocate a block of memory from the free list that was + * passed to the application by the bootloader within a specified + * address range. This is an allocate-only algorithm, so + * freeing memory is not possible. Allocation will fail if + * memory cannot be allocated in the requested range. + * + * @size: Size in bytes of block to allocate + * @min_addr: defines the minimum address of the range + * @max_addr: defines the maximum address of the range + * @alignment: Alignment required - must be power of 2 + * Returns pointer to block of memory, NULL on error + */ +extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, + uint64_t min_addr, uint64_t max_addr); + +/** + * Frees a previously allocated named bootmem block. + * + * @name: name of block to free + * + * Returns 0 on failure, + * !0 on success + */ +extern int cvmx_bootmem_free_named(char *name); + +/** + * Finds a named bootmem block by name. + * + * @name: name of block to free + * + * Returns pointer to named block descriptor on success + * 0 on failure + */ +struct cvmx_bootmem_named_block_desc *cvmx_bootmem_find_named_block(char *name); + +/** + * Allocates a block of physical memory from the free list, at + * (optional) requested address and alignment. + * + * @req_size: size of region to allocate. All requests are rounded up + * to be a multiple CVMX_BOOTMEM_ALIGNMENT_SIZE bytes size + * + * @address_min: Minimum address that block can occupy. + * + * @address_max: Specifies the maximum address_min (inclusive) that + * the allocation can use. + * + * @alignment: Requested alignment of the block. If this alignment + * cannot be met, the allocation fails. This must be a + * power of 2. (Note: Alignment of + * CVMX_BOOTMEM_ALIGNMENT_SIZE bytes is required, and + * internally enforced. Requested alignments of less than + * CVMX_BOOTMEM_ALIGNMENT_SIZE are set to + * CVMX_BOOTMEM_ALIGNMENT_SIZE.) + * + * @flags: Flags to control options for the allocation. + * + * Returns physical address of block allocated, or -1 on failure + */ +int64_t cvmx_bootmem_phy_alloc(uint64_t req_size, uint64_t address_min, + uint64_t address_max, uint64_t alignment, + uint32_t flags); + +/** + * Finds a named memory block by name. + * Also used for finding an unused entry in the named block table. + * + * @name: Name of memory block to find. If NULL pointer given, then + * finds unused descriptor, if available. + * + * @flags: Flags to control options for the allocation. + * + * Returns Pointer to memory block descriptor, NULL if not found. + * If NULL returned when name parameter is NULL, then no memory + * block descriptors are available. + */ +struct cvmx_bootmem_named_block_desc * +cvmx_bootmem_phy_named_block_find(char *name, uint32_t flags); + +/** + * Frees a named block. + * + * @name: name of block to free + * @flags: flags for passing options + * + * Returns 0 on failure + * 1 on success + */ +int cvmx_bootmem_phy_named_block_free(char *name, uint32_t flags); + +/** + * Frees a block to the bootmem allocator list. This must + * be used with care, as the size provided must match the size + * of the block that was allocated, or the list will become + * corrupted. + * + * IMPORTANT: This is only intended to be used as part of named block + * frees and initial population of the free memory list. + * * + * + * @phy_addr: physical address of block + * @size: size of block in bytes. + * @flags: flags for passing options + * + * Returns 1 on success, + * 0 on failure + */ +int __cvmx_bootmem_phy_free(uint64_t phy_addr, uint64_t size, uint32_t flags); + +/** + * Locks the bootmem allocator. This is useful in certain situations + * where multiple allocations must be made without being interrupted. + * This should be used with the CVMX_BOOTMEM_FLAG_NO_LOCKING flag. + * + */ +void cvmx_bootmem_lock(void); + +/** + * Unlocks the bootmem allocator. This is useful in certain situations + * where multiple allocations must be made without being interrupted. + * This should be used with the CVMX_BOOTMEM_FLAG_NO_LOCKING flag. + * + */ +void cvmx_bootmem_unlock(void); + +#endif /* __CVMX_BOOTMEM_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-l2c.h b/arch/mips/include/asm/octeon/cvmx-l2c.h new file mode 100644 index 00000000000..2a8c0902ea5 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-l2c.h @@ -0,0 +1,325 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +/* + * + * Interface to the Level 2 Cache (L2C) control, measurement, and debugging + * facilities. + */ + +#ifndef __CVMX_L2C_H__ +#define __CVMX_L2C_H__ + +/* Deprecated macro, use function */ +#define CVMX_L2_ASSOC cvmx_l2c_get_num_assoc() + +/* Deprecated macro, use function */ +#define CVMX_L2_SET_BITS cvmx_l2c_get_set_bits() + +/* Deprecated macro, use function */ +#define CVMX_L2_SETS cvmx_l2c_get_num_sets() + +#define CVMX_L2C_IDX_ADDR_SHIFT 7 /* based on 128 byte cache line size */ +#define CVMX_L2C_IDX_MASK (cvmx_l2c_get_num_sets() - 1) + +/* Defines for index aliasing computations */ +#define CVMX_L2C_TAG_ADDR_ALIAS_SHIFT \ + (CVMX_L2C_IDX_ADDR_SHIFT + cvmx_l2c_get_set_bits()) + +#define CVMX_L2C_ALIAS_MASK \ + (CVMX_L2C_IDX_MASK << CVMX_L2C_TAG_ADDR_ALIAS_SHIFT) + +union cvmx_l2c_tag { + uint64_t u64; + struct { + uint64_t reserved:28; + uint64_t V:1; /* Line valid */ + uint64_t D:1; /* Line dirty */ + uint64_t L:1; /* Line locked */ + uint64_t U:1; /* Use, LRU eviction */ + uint64_t addr:32; /* Phys mem (not all bits valid) */ + } s; +}; + + /* L2C Performance Counter events. */ +enum cvmx_l2c_event { + CVMX_L2C_EVENT_CYCLES = 0, + CVMX_L2C_EVENT_INSTRUCTION_MISS = 1, + CVMX_L2C_EVENT_INSTRUCTION_HIT = 2, + CVMX_L2C_EVENT_DATA_MISS = 3, + CVMX_L2C_EVENT_DATA_HIT = 4, + CVMX_L2C_EVENT_MISS = 5, + CVMX_L2C_EVENT_HIT = 6, + CVMX_L2C_EVENT_VICTIM_HIT = 7, + CVMX_L2C_EVENT_INDEX_CONFLICT = 8, + CVMX_L2C_EVENT_TAG_PROBE = 9, + CVMX_L2C_EVENT_TAG_UPDATE = 10, + CVMX_L2C_EVENT_TAG_COMPLETE = 11, + CVMX_L2C_EVENT_TAG_DIRTY = 12, + CVMX_L2C_EVENT_DATA_STORE_NOP = 13, + CVMX_L2C_EVENT_DATA_STORE_READ = 14, + CVMX_L2C_EVENT_DATA_STORE_WRITE = 15, + CVMX_L2C_EVENT_FILL_DATA_VALID = 16, + CVMX_L2C_EVENT_WRITE_REQUEST = 17, + CVMX_L2C_EVENT_READ_REQUEST = 18, + CVMX_L2C_EVENT_WRITE_DATA_VALID = 19, + CVMX_L2C_EVENT_XMC_NOP = 20, + CVMX_L2C_EVENT_XMC_LDT = 21, + CVMX_L2C_EVENT_XMC_LDI = 22, + CVMX_L2C_EVENT_XMC_LDD = 23, + CVMX_L2C_EVENT_XMC_STF = 24, + CVMX_L2C_EVENT_XMC_STT = 25, + CVMX_L2C_EVENT_XMC_STP = 26, + CVMX_L2C_EVENT_XMC_STC = 27, + CVMX_L2C_EVENT_XMC_DWB = 28, + CVMX_L2C_EVENT_XMC_PL2 = 29, + CVMX_L2C_EVENT_XMC_PSL1 = 30, + CVMX_L2C_EVENT_XMC_IOBLD = 31, + CVMX_L2C_EVENT_XMC_IOBST = 32, + CVMX_L2C_EVENT_XMC_IOBDMA = 33, + CVMX_L2C_EVENT_XMC_IOBRSP = 34, + CVMX_L2C_EVENT_XMC_BUS_VALID = 35, + CVMX_L2C_EVENT_XMC_MEM_DATA = 36, + CVMX_L2C_EVENT_XMC_REFL_DATA = 37, + CVMX_L2C_EVENT_XMC_IOBRSP_DATA = 38, + CVMX_L2C_EVENT_RSC_NOP = 39, + CVMX_L2C_EVENT_RSC_STDN = 40, + CVMX_L2C_EVENT_RSC_FILL = 41, + CVMX_L2C_EVENT_RSC_REFL = 42, + CVMX_L2C_EVENT_RSC_STIN = 43, + CVMX_L2C_EVENT_RSC_SCIN = 44, + CVMX_L2C_EVENT_RSC_SCFL = 45, + CVMX_L2C_EVENT_RSC_SCDN = 46, + CVMX_L2C_EVENT_RSC_DATA_VALID = 47, + CVMX_L2C_EVENT_RSC_VALID_FILL = 48, + CVMX_L2C_EVENT_RSC_VALID_STRSP = 49, + CVMX_L2C_EVENT_RSC_VALID_REFL = 50, + CVMX_L2C_EVENT_LRF_REQ = 51, + CVMX_L2C_EVENT_DT_RD_ALLOC = 52, + CVMX_L2C_EVENT_DT_WR_INVAL = 53 +}; + +/** + * Configure one of the four L2 Cache performance counters to capture event + * occurences. + * + * @counter: The counter to configure. Range 0..3. + * @event: The type of L2 Cache event occurrence to count. + * @clear_on_read: When asserted, any read of the performance counter + * clears the counter. + * + * The routine does not clear the counter. + */ +void cvmx_l2c_config_perf(uint32_t counter, + enum cvmx_l2c_event event, uint32_t clear_on_read); +/** + * Read the given L2 Cache performance counter. The counter must be configured + * before reading, but this routine does not enforce this requirement. + * + * @counter: The counter to configure. Range 0..3. + * + * Returns The current counter value. + */ +uint64_t cvmx_l2c_read_perf(uint32_t counter); + +/** + * Return the L2 Cache way partitioning for a given core. + * + * @core: The core processor of interest. + * + * Returns The mask specifying the partitioning. 0 bits in mask indicates + * the cache 'ways' that a core can evict from. + * -1 on error + */ +int cvmx_l2c_get_core_way_partition(uint32_t core); + +/** + * Partitions the L2 cache for a core + * + * @core: The core that the partitioning applies to. + * + * @mask: The partitioning of the ways expressed as a binary mask. A 0 + * bit allows the core to evict cache lines from a way, while a + * 1 bit blocks the core from evicting any lines from that + * way. There must be at least one allowed way (0 bit) in the + * mask. + * + * If any ways are blocked for all cores and the HW blocks, then those + * ways will never have any cache lines evicted from them. All cores + * and the hardware blocks are free to read from all ways regardless + * of the partitioning. + */ +int cvmx_l2c_set_core_way_partition(uint32_t core, uint32_t mask); + +/** + * Return the L2 Cache way partitioning for the hw blocks. + * + * Returns The mask specifying the reserved way. 0 bits in mask indicates + * the cache 'ways' that a core can evict from. + * -1 on error + */ +int cvmx_l2c_get_hw_way_partition(void); + +/** + * Partitions the L2 cache for the hardware blocks. + * + * @mask: The partitioning of the ways expressed as a binary mask. A 0 + * bit allows the core to evict cache lines from a way, while a + * 1 bit blocks the core from evicting any lines from that + * way. There must be at least one allowed way (0 bit) in the + * mask. + * + * If any ways are blocked for all cores and the HW blocks, then those + * ways will never have any cache lines evicted from them. All cores + * and the hardware blocks are free to read from all ways regardless + * of the partitioning. + */ +int cvmx_l2c_set_hw_way_partition(uint32_t mask); + +/** + * Locks a line in the L2 cache at the specified physical address + * + * @addr: physical address of line to lock + * + * Returns 0 on success, + * 1 if line not locked. + */ +int cvmx_l2c_lock_line(uint64_t addr); + +/** + * Locks a specified memory region in the L2 cache. + * + * Note that if not all lines can be locked, that means that all + * but one of the ways (associations) available to the locking + * core are locked. Having only 1 association available for + * normal caching may have a significant adverse affect on performance. + * Care should be taken to ensure that enough of the L2 cache is left + * unlocked to allow for normal caching of DRAM. + * + * @start: Physical address of the start of the region to lock + * @len: Length (in bytes) of region to lock + * + * Returns Number of requested lines that where not locked. + * 0 on success (all locked) + */ +int cvmx_l2c_lock_mem_region(uint64_t start, uint64_t len); + +/** + * Unlock and flush a cache line from the L2 cache. + * IMPORTANT: Must only be run by one core at a time due to use + * of L2C debug features. + * Note that this function will flush a matching but unlocked cache line. + * (If address is not in L2, no lines are flushed.) + * + * @address: Physical address to unlock + * + * Returns 0: line not unlocked + * 1: line unlocked + */ +int cvmx_l2c_unlock_line(uint64_t address); + +/** + * Unlocks a region of memory that is locked in the L2 cache + * + * @start: start physical address + * @len: length (in bytes) to unlock + * + * Returns Number of locked lines that the call unlocked + */ +int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len); + +/** + * Read the L2 controller tag for a given location in L2 + * + * @association: + * Which association to read line from + * @index: Which way to read from. + * + * Returns l2c tag structure for line requested. + */ +union cvmx_l2c_tag cvmx_l2c_get_tag(uint32_t association, uint32_t index); + +/* Wrapper around deprecated old function name */ +static inline union cvmx_l2c_tag cvmx_get_l2c_tag(uint32_t association, + uint32_t index) +{ + return cvmx_l2c_get_tag(association, index); +} + +/** + * Returns the cache index for a given physical address + * + * @addr: physical address + * + * Returns L2 cache index + */ +uint32_t cvmx_l2c_address_to_index(uint64_t addr); + +/** + * Flushes (and unlocks) the entire L2 cache. + * IMPORTANT: Must only be run by one core at a time due to use + * of L2C debug features. + */ +void cvmx_l2c_flush(void); + +/** + * + * Returns Returns the size of the L2 cache in bytes, + * -1 on error (unrecognized model) + */ +int cvmx_l2c_get_cache_size_bytes(void); |